Objects in the image:
category: person
category: backpack
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: person
category: snowboard
category: person

Guessing-game dialogue about one of the objects:
q: is it a person?
a: Yes
q: is it the center one who's largest?
a: No
q: are they wearing a red jacket?
a: No
q: are they wearing a grey outfit?
a: No
q: Are they in the center of the picture, between the guy in grey and the skateboarder's left leg?
a: Yes
q: Is it the one next to the skateboarder's knee with the black backpack?
a: Yes
q: is it a person?
a: Yes
q: is it the person wearing the black backpack?
a: No
q: is it someone to the left of him?
a: No
q: are they wearing a red jacket?
a: No
q: is it a person?
a: Yes
q: are they wearing red?
a: No
q: are they next to people wearing red?
a: Yes
q: is it a person?
a: Yes
q: are they wearing red?
a: No
q: is it the person in grey?
a: No
q: person with the black backpack?
a: No
q: is the person seen between the main skateboarder's legs?
a: N/A
q: person on the right?
a: No
q: so if it's not a person between the skateboarder's legs...and they're not wearing red....is it someone in the far background?
a: No
q: is it the person by the guy's knees? with the orange band?
a: Yes
q: is it whole person?
a: Yes